Details

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BUY YT8512C https://www.utsource.net/itm/p/12535409.html

Below is the parameter table and instructions for the YT8512C, a DC-DC converter.

Parameter Table

Parameter	Symbol	Min	Typ	Max	Unit
Input Voltage	VIN	4.75	5	5.5	V
Output Voltage	VOUT	-	3.3	-	V (Fixed)
Output Current	IOUT	-	1.2	1.5	A
Efficiency	η	-	90	-	%
Switching Frequency	fSW	-	1.2	-	MHz
Quiescent Current	IQ	-	50	-	μA
Shutdown Current	ISD	-	1	-	μA
Operating Temperature	TOPR	-40	-	85	°C
Storage Temperature	TSTG	-65	-	150	°C

Instructions

1. Pin Configuration

• VIN: Input voltage pin.
• VOUT: Output voltage pin.
• GND: Ground pin.
• EN: Enable pin. Connect to VIN for normal operation or GND to shut down.
• FB: Feedback pin. Connect to the output voltage divider for regulation.

2. Basic Circuit Diagram

VIN ---+---+--- VOUT
       |   |
      EN  FB
       |   |
      GND GND

3. Input Voltage (VIN)

• The input voltage should be within the range of 4.75V to 5.5V.
• Ensure that the input voltage is stable and within the specified range to avoid damage to the device.

4. Output Voltage (VOUT)

• The output voltage is fixed at 3.3V.
• The output current can range from 0 to 1.5A, with a typical value of 1.2A.

5. Enable Pin (EN)

• Connect the EN pin to VIN for normal operation.
• Connect the EN pin to GND to shut down the device, reducing the current consumption to the shutdown current level.

6. Feedback Pin (FB)

• The FB pin is used for output voltage regulation.
• Connect a voltage divider between VOUT and GND to set the output voltage. The typical configuration is:

  VOUT ---+--- R1 ---+--- FB
          |          |
         GND        R2
  

7. Thermal Considerations

• Ensure proper heat dissipation by using a heatsink if the device is operating at high output currents or in high ambient temperatures.
• The operating temperature range is from -40°C to 85°C.

8. Storage and Handling

• Store the device in a dry, cool place.
• Handle with care to avoid static discharge, which can damage the device.

9. Mounting and PCB Layout

• Use a PCB layout that minimizes parasitic inductance and capacitance.
• Place decoupling capacitors close to the VIN and GND pins to ensure stable operation.

By following these instructions, you can ensure reliable and efficient operation of the YT8512C DC-DC converter.

(For reference only)